• science gadget. Similar to the working principle of internal combustion engines: Burning alcohol lamps provide power heating to expand the internal gas, thereby increasing the power of the internal molecular gas to act on the flywheel. With the help of the flywheel, the.rock tumbler
• science gadget. stirling engine model. The product has been assembled and can be used directly.engine model kit
• stirling engine model. Superior stainless steel structure, rugged and to use.sterling engine kit
• steam engine. steam engine. Through hands-on , you can observe the entire process of Stirling engine , more intuitively understand the working principle of stirling engine, and deepen your interest in physics..mechanics science kits
• stirling engine model.stirling engine model. An ideal choice as a friends, family and more.presents for older